What are the basis of goals of science education? Remember that the goal of science education is to teach students to: Use and interpret science to explain the world around them. Evaluate and understand scientific theories and evidence. Investigate and generate scientific explanations. What is the goals of science and technology? What is science and […]
Why is air a gas at room temperature?
Why is air a gas at room temperature? Air, helium and chlorine are gases at room temperature….Gases. Property Reason They flow and completely fill their container The particles can move quickly in all directions Is hydrogen a gas at room temperature? Hydrogen is a gas at room temperature. Elemental hydrogen (H, element 1), nitrogen (N, […]
What is Shirley background?
What is Shirley background? In general, three types of backgrounds are used: 1) a simple straight line or linear background, 2) the Shirley background in which the background intensity at any given binding energy is proportional to the intensity of the total peak area above the background in the lower binding energy peak range[1] (i.e. […]
What are two characteristics of liquid?
What are two characteristics of liquid? Liquids have the following characteristics: No definite shape (takes the shape of its container). Has definite volume. Particles are free to move over each other, but are still attracted to each other. Is boiling a property of liquid? Liquids boil at the temperature at which the vapor pressure is […]
Is the resistance of a certain copper wire is 1 ohm then the resistance of a similar Nichrome wire will be about?
Is the resistance of a certain copper wire is 1 ohm then the resistance of a similar Nichrome wire will be about? l/a=R/ρ = 1/(1.68E-8) / meter. =77.381 ohms. Therefore, the required resistance of Nichrome wire is 77.381 ohms. Does Nichrome have high resistance? Nichrome, a non-magnetic 80/20 alloy of nickel and chromium, is the […]
How far away could you hear a nuke?
How far away could you hear a nuke? 500 kilometers Is Trinity Site still radioactive? Radiation levels in the fenced, ground zero area are low. On an average the levels are only 10 times greater than the region’s natural background radiation. A one-hour visit to the inner fenced area will result in a whole body […]
Can a person have zero mechanical energy?
What must occur in a physical change quizlet?
What must occur in a physical change quizlet? Terms in this set (10) A physical change occurs when the size or shape of matter is altered. The molecules remain unchanged. The initial substance still exists but only in a different form. Physical change involved tearing, breaking, grinding a state of matter, changing the state of […]
What is the relationship between mass volume and density?
What is the relationship between mass volume and density? An object’s density is the ratio of mass to volume of an object. The mass is how much it resists acceleration when a force is applied to it and generally means how much of an object or substance there is. Volume describes how much space an […]
Where is natural rubber used?
Where is natural rubber used? Natural rubber is an essential raw material used in the creation of more than 40,000 products. It is used in medical devices, surgical gloves, aircraft and car tires, pacifiers, clothes, toys, etc. What are the types of natural rubber? 10 common types of rubber Natural Rubber (NR) Natural rubber (Isoprene) […]